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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>定义列表</title>
</head>
<body>
    <dl>
        <dt>北京市</dt>
        <dd>顺义区</dd>
        <dd>昌平区</dd>
        <dd>朝阳区</dd>
        <dd>平谷区</dd>
    </dl>
</body>
</html>